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iOS: Discover the Power of @resultBuilder And Build Expressive Core Data Fetch Requests
The @resultBuilder is a powerful feature in Swift that allows you to define custom builders for complex data structures and DSLs
As a developer, you are probably familiar with using functions that return a single value, such as Int or String. However, there are cases where you may want to return multiple values or objects of different types. This is where the @resultBuilder feature in Swift comes in.
In this article, we’ll explore what @resultBuilder is, why it was created, and how it can be used in your daily life as a developer. We'll also provide an example of building a custom result type using the @resultBuilder feature.
What is @resultBuilder?
@resultBuilder is a Swift feature that allows you to define a custom builder for a specific type of result. When you use the @resultBuilder feature, you can write code that creates a result type in a more expressive and concise way.
Why was @resultBuilder created?
The @resultBuilder feature was introduced in Swift 5.1 to support the creation of DSLs (Domain Specific Languages) and simplify the creation of…
